ALC140.
Fossil stromatolite rough rock, cut and polished on one side .
Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation.
Age is approx. 2.7 billion years.
From near Nullagine in Western Australia.
Approx. 120mm x 100mm x 30-50mm thick.
This piece has a smattering of pyrite inclusions through it. Rare.
Weighs 1.035grams.
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Regular price $20.00... Plus 10% GST in Australia
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